Search Results - "Bello González, N."

Magnetic field reconstruction based on sunspot oscillations by Löhner-Böttcher, J., Bello González, N., Schmidt, W.

“…The magnetic field of a sunspot guides magnetohydrodynamic waves toward higher atmospheric layers. In the upper photosphere and lower chromosphere, wave modes…”
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The role of emerging bipoles in the formation of a sunspot penumbra by Schlichenmaier, R., Bello González, N., Rezaei, R., Waldmann, T.A.

“…The generation of magnetic flux in the solar interior and its transport from the convection zone into the photosphere, the chromosphere, and the corona will be…”
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The 1.5 meter solar telescope GREGOR by Schmidt, W., von der Lühe, O., Volkmer, R., Denker, C., Solanki, S.K., Balthasar, H., Bello González, N., Berkefeld, Th, Collados, M., Fischer, A., Halbgewachs, C., Heidecke, F., Hofmann, A., Kneer, F., Lagg, A., Nicklas, H., Popow, E., Puschmann, K.G., Schmidt, D., Sigwarth, M., Sobotka, M., Soltau, D., Staude, J., Strassmeier, K.G., Waldmann, T.A.

“…The 1.5 m telescope GREGOR opens a new window to the understanding of solar small‐scale magnetism. The first light instrumentation includes the Gregor Fabry…”
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The GREGOR Fabry-Pérot Interferometer by Puschmann, K.G., Denker, C., Kneer, F., Al Erdogan, N., Balthasar, H., Bauer, S.M., Beck, C., Bello González, N., Collados, M., Hahn, T., Hirzberger, J., Hofmann, A., Louis, R.E., Nicklas, H., Okunev, O., Martínez Pillet, V., Popow, E., Seelemann, T., Volkmer, R., Wittmann, A.D., Woche, M.

“…The GREGOR Fabry‐Pérot Interferometer (GFPI) is one of three first‐light instruments of the German 1.5‐meter GREGOR solar telescope at the Observatorio del…”
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Flow and magnetic field properties in the trailing sunspots of active region NOAA 12396 by Verma, M., Denker, C., Böhm, F., Balthasar, H., Fischer, C. E., Kuckein, C., Bello González, N., Berkefeld, T., Collados, M., Diercke, A., Feller, A., González Manrique, S. J., Hofmann, A., Lagg, A., Nicklas, H., Orozco Suárez, D., Pator Yabar, A., Rezaei, R., Schlichenmaier, R., Schmidt, D., Schmidt, W., Sigwarth, M., Sobotka, M., Solanki, S. K., Soltau, D., Staude, J., Strassmeier, K. G., Volkmer, R., von der Lühe, O., Waldmann, T.

“…Improved measurements of the photospheric and chromospheric three‐dimensional magnetic and flow fields are crucial for a precise determination of the origin…”
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Characterization of magneto-convection in sunspots -- The Gough & Tayler stability criterion in MURaM sunspot simulations by Schmassmann, M, Rempel, M, González, N. Bello, Schlichenmaier, R, Jurčák, J

“…2021A&A...656A..92S We analyse a sunspot simulation in an effort to understand the origin of the convective instabilities giving rise to the penumbral and…”
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Onset of penumbra formation by García-Rivas, M, Jurčák, J, González, N. Bello, Borrero, J. M, Schlichenmaier, R, Lindner, P

“…A&A 686, A112 (2024) Context. Fully fledged penumbrae have been widely studied both observationally and theoretically. Yet the relatively fast process of…”
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A retrospective of the GREGOR solar telescope in scientific literature by Denker, C., von der Lühe, O., Feller, A., Arlt, K., Balthasar, H., Bauer, S.-M., Bello González, N., Berkefeld, Th, Caligari, P., Collados, M., Fischer, A., Granzer, T., Hahn, T., Halbgewachs, C., Heidecke, F., Hofmann, A., Kentischer, T., Klvaňa, M., Kneer, F., Lagg, A., Nicklas, H., Popow, E., Puschmann, K.G., Rendtel, J., Schmidt, D., Schmidt, W., Sobotka, M., Solanki, S.K., Soltau, D., Staude, J., Strassmeier, K.G., Volkmer, R., Waldmann, T., Wiehr, E., Wittmann, A.D., Woche, M.

“…In this review, we look back upon the literature, which had the GREGOR solar telescope project as its subject including science cases, telescope subsystems,…”
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Characterization of the umbra-penumbra boundary by the vertical component of the magnetic field -- Analysis of ground-based data from the GREGOR Infrared Spectrograph by Lindner, P, Schlichenmaier, R, González, N. Bello

“…A&A 638, A25 (2020) The vertical component of the magnetic field ($B_\perp$) was found to reach a constant value at the umbra-penumbra boundary of stable…”
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The role of the chromospheric magnetic canopy in the formation of a sunspot penumbra by Lindner, P, Kuckein, C, Manrique, S. J. González, González, N. Bello, Kleint, L, Berkefeld, T

“…A&A 673, A64 (2023) While it is being conjectured that a chromospheric canopy plays a role in penumbra formation, it has been difficult to find observational…”
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Magnetic properties on the boundary of an evolving pore by García-Rivas, M, Jurcak, J, González, N. Bello

“…A&A 649, A129 (2021) Context. Analyses of magnetic properties on umbrae boundaries led to the Jurcak criterion, which states that umbra-penumbra boundaries in…”
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High-resolution imaging spectroscopy of two micro-pores and an arch filament system in a small emerging-flux region by Manrique, S. J. González, González, N. Bello, Denker, C

“…A&A 600, A38 (2017) Aims. The purpose of this investigation is to characterize the temporal evolution of an emerging flux region, the associated photospheric…”
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Observations of solar small-scale magnetic flux-sheet emergence by Fischer, C. E, Borrero, J. M, González, N. Bello, Kaithakkal, A. J

“…A&A 622, L12 (2019) Aims. Moreno-Insertis et al. (2018) recently discovered two types of flux emergence in their numerical simulations: magnetic loops and…”
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Magnetic field reconstruction based on sunspot oscillations by Löhner-Böttcher, J, González, N. Bello, Schmidt, W

“…The magnetic field of a sunspot guides magnetohydrodynamic waves toward higher atmospheric layers. In the upper photosphere and lower chromosphere, wave modes…”
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Fitting peculiar spectral profiles in He I 10830 Å absorption features by González Manrique, S. J., Kuckein, C., Pastor Yabar, A., Collados, M., Denker, C., Fischer, C. E., Gömöry, P., Diercke, A., Bello González, N., Schlichenmaier, R., Balthasar, H., Berkefeld, T., Feller, A., Hoch, S., Hofmann, A., Kneer, F., Lagg, A., Nicklas, H., Orozco Suárez, D., Schmidt, D., Schmidt, W., Sigwarth, M., Sobotka, M., Solanki, S. K., Soltau, D., Staude, J., Strassmeier, K. G., Verma, M., Volkmer, R., von der Lühe, O., Waldmann, T.

“…The new generation of solar instruments provides better spectral, spatial, and temporal resolution for a better understanding of the physical processes that…”
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Flows along arch filaments observed in the GRIS 'very fast spectroscopic mode' by Manrique, S. J. González, Denker, C, Kuckein, C, Yabar, A. Pastor, Collados, M, Verma, M, Balthasar, H, Diercke, A, Fischer, C. E, Gömöry, P, González, N. Bello, Schlichenmaier, R, Armas, M. Cubas, Berkefeld, T, Feller, A, Hoch, S, Hofmann, A, Lagg, A, Nicklas, H, Suárez, D. Orozco, Schmidt, D, Schmidt, W, Sigwarth, M, Sobotka, M, Solanki, S. K, Soltau, D, Staude, J, Strassmeier, K. G, Volkmer, R, von der Lühe, O, Waldmann, T

“…A new generation of solar instruments provides improved spectral, spatial, and temporal resolution, thus facilitating a better understanding of dynamic…”
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Horizontal flow fields in and around a small active region-- The transition period between flux emergence and decay by Verma, M, Denker, C, Balthasar, H, Kuckein, C, Manrique, S. J. González, Sobotka, M, González, N. Bello, Hoch, S, Diercke, A, Kummerow, P, Berkefeld, T, Collados, M, Feller, A, Hofmann, A, Kneer, F, Lagg, A, Löhner-Böttcher, J, Nicklas, H, Yabar, A. Pastor, Schlichenmaier, R, Schmidt, D, Schmidt, W, Schubert, M, Sigwarth, M, Solanki, S. K, Soltau, D, Staude, J, Strassmeier, K. G, Volkmer, R, von der Lühe, O, Waldmann, T

“…A&A 596, A3 (2016) Aims. Combining high-resolution and synoptic observations aims to provide a comprehensive description of flux emergence at photospheric…”
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Magnetic properties of the umbral boundary during sunspot decay. Comparative study of multiple datasets by García-Rivas, M, Jurčák, J, González, N. Bello

“…The magnetic properties of the umbra-penumbra (UP) boundary of sunspots and the boundary of pores at various evolutionary stages have been characterised using…”
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A retrospective of the GREGOR solar telescope in scientific literature by Denker, C, von der Lühe, O, Feller, A, Arlt, K, Balthasar, H, Bauer, S. -M, González, N. Bello, Berkefeld, T, Caligari, P, Collados, M, Fischer, A, Granzer, T, Hahn, T, Halbgewachs, C, Heidecke, F, Hofmann, A, Kentischer, T, Klvaňa, M, Kneer, F, Lagg, A, Nicklas, H, Popow, E, Puschmann, K. G, Rendtel, J, Schmidt, D, Schmidt, W, Sobotka, M, Solanki, S. K, Soltau, D, Staude, J, Strassmeier, K. G, Volkmer, R, Waldmann, T, Wiehr, E, Wittmann, A. D, Woche, M

“…In this review, we look back upon the literature, which had the GREGOR solar telescope project as its subject including science cases, telescope subsystems,…”
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Bright points in the quiet Sun as observed in the visible and near-UV by the balloon-borne observatory Sunrise by Riethmueller, T. L, Solanki, S. K, Pillet, V. Martínez, Hirzberger, J, Feller, A, Bonet, J. A, González, N. Bello, Franz, M, Schüssler, M, Barthol, P, Berkefeld, T, Iniesta, J. C. del Toro, Domingo, V, Gandorfer, A, Knölker, M, Schmidt, W

“…Bright points (BPs) are manifestations of small magnetic elements in the solar photosphere. Their brightness contrast not only gives insight into the thermal…”
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